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Effects of Exercise-Based Interventions on Neonatal Outcomes

2016; SAGE Publishing; Volume: 30; Issue: 4 Linguagem: Inglês

10.1177/0890117116639569

2168-6602

Gema Sanabria‐Martínez, Antônio García‐Hermoso, Raquel Poyatos‐León, Alberto González‐García, Mairena Sánchez‐López, Vicente Martínez‐Vizcaíno,

Pregnancy-related medical research

Objective: The aim of this study was to conduct a systematic review and meta-analysis of randomized controlled clinical trials (RCTs) assessing the influence of physical exercise interventions during pregnancy on some neonatal outcomes. Data Source: Key words were used to conduct a computerized search in six databases: Cochrane Library Plus, Science Direct, EMBASE, PubMed, Web of Science, and ClinicalTrials.gov . Study Inclusion and Exclusion Criteria: RCTs that included an exercise program for healthy pregnant women who were sedentary or had low levels of physical activity were selected. Data Extraction: Two independent reviewers extracted data and assessed the quality of the studies included. Of 4296 articles retrieved, 14 RCTs (3044 pregnant women) met the inclusion criteria. Data Synthesis: Pooled effect sizes (ESs) were calculated using a fixed model. Results: Overall, physical exercise programs during pregnancy produced a small reduction in neonatal birth weight (ES = −.10; p = .04). The Apgar score at 1 minute was also weakly increased with combined exercise (aerobic, strength, and flexibility) (ES = .09; p = .048) and no differences between groups were observed in gestational age at delivery and Apgar score at 5 minutes. Conclusion: Structured physical exercise programs during pregnancy appear to be safe for the neonate, mainly favoring a lower birth weight within normal range. However, more studies are needed to establish recommendations.